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  • Title: 210Pb in forage consumed by dairy cows.
    Author: Silva CM, Amaral RS, Tabosa JN, Santos Júnior JA, Menezes RS, Farias EE, Filho CA, Ribeiro FC.
    Journal: Bull Environ Contam Toxicol; 2009 Dec; 83(6):943-6. PubMed ID: 19768357.
    Abstract:
    The aim of this research was to determine (210)Pb concentrations in forage from farms located in the municipalities of Pedra and Venturosa, in the Brazilian state of Pernambuco, where rolled blocks of mafic rock with a high percentage of U(3)O(8) were found. The concentrations of (210)Pb varied from 2 to 503 Bq kg(-1) in the forage dry matter samples evaluated. Due to the elevated levels of (210)Pb in the forage samples, it is concluded that this radionuclide is highly available to be ingested by dairy cows and this could represent a hazard to the human population due to possible milk contamination.
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